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Finding the Fourth Proportional to 143,794.02, 215,691.56 and 43,953.82

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Solution

The fourth proportional to 143,794.02, 215,691.56 and 43,953.82 is: 65,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,794.02 : 215,691.56 = 43,953.82 : x
  2. Step 2: Convert to fraction form
    143,794.02/215,691.56 = 43,953.82/x
  3. Step 3: Cross multiply
    143,794.02x = 215,691.56 × 43,953.82
  4. Step 4: Simplify right side
    143,794.02x = 9,480,468,622.85
  5. Step 5: Solve for x
    x = 9,480,468,622.85/143,794.02
  6. Step 6: Final answer
    x = 65,930.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.